*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background: #eee;
    font-family: "微软雅黑";
    font-size: 14px;
    color:#000;
    margin: 0;
    padding: 0;
}
li{
    list-style: none;
}
a{
   text-decoration: none;
    display: block;
}
.logo a{
    display: flex;
    align-items: center;
}
nav img{
    /*position: absolute;
    top: 0;
    left: 50%;
    margin-left: -40px;*/
    height: 42px;
    margin-right: 5px;
    border-radius: 100%;
}
nav img:hover{
    box-shadow: 0 0 20px #00afc7;
}
nav hr {
    width: 60px;
}
.logo>a>div{
    font-size: 12px;
    text-align: center;
}
.logo-inner p{
    color: rgb(51, 51, 51);
    line-height:24px;
}
.logo-none{
    display: none;
}
.logo-inner .logo-none p{
    color: rgb(115, 169, 203);
}
.logo-inner:hover .logo-active{
     display: none;
 }
.logo-inner:hover .logo-none{
    display: block;
}

nav{
    display: flex;
    position: fixed;
    top:0;
    left:0;
    align-items: center;
    z-index: 999;
    width: 100%;
    justify-content: space-between;
    background: #BCD0CE;
    opacity: 0.7;
    padding: 10px 20px;
    border-bottom: 1px solid #e8e8e8;
}
nav .list{
    display: flex;
    align-items: center;
}
nav .list>li a{
    display: inline-block;
    color: #ffffff;
    margin-right: 10px;
    padding: 3px 7px;
}
nav .list>li a:hover{
    color: black;
}
header{
    background: url("../img/section1.jpg") !important;
    background-size:100% 100% !important;

}
.demo{
    color: #ffffff;
}
header .demo h1{
    margin-bottom: 50px;
    font-size:50px;
}
header .demo p{
    font-size:14px;
    line-height: 30px;
}

.beijingtu-g{
    background: url("../img/QWERRT.jpg");
    width: 100%;
    height: 100%;
}
.da-div{
    margin: auto;
    width: 80%;
    height: auto;
    margin-top: 10%;
}
.da-div h2{
    color: #ffffff;
}
.buju-hou{
    display: flex;
    color: #ffffff;
    justify-content: space-around;
}
.slbj-hou{
    width: 200px;
    height: 312px;
    /*width: 33.3333%;*/
    border: 3px solid #999;
    border-radius: 20px;
    margin: 5% 10px 0 10px;
    padding: 5px;
    display: flex;
    overflow: hidden;
    justify-content: center;
    flex-wrap: wrap;
}
.slbj-hou h3{
    transition: all 0.4s;
    line-height: 280px;
    font-size:36px;
}

.slbj-hou:hover h3{
    line-height: 60px;
    font-size:26px;
    color: #ffffff;
}
.yincang-hou{
     display: none;
 }
.slbj-hou:hover .yincang-hou{
    display: block;
    margin-top: -110px;
}
.yincang-hou p{
    text-align: left;
    font-size:16px;
    padding-left: 10px;
    cursor: pointer;
}
.yincang-hou p:hover{
    color: #BBBBBB;
}































.swiper-wrapper{
    transition-delay:.3s;
}
.swiper-container {
    width: 100%;
    height: 100vh;
    margin: 0 auto;
}
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.swiper-slide .demo{
    transform:translateX(-200px);
    opacity:0;
    transition:all 2s;
}
.ani-slide .demo{
    transform:translateX(0);
    opacity:1;
}



.H-two{
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    background-image: url(../img/section2.jpg);
    background-size:100% 100%;
}
.H-two h2 {
    font-size: 46px;
    width: 100%;
    margin-bottom: 50px;
}
.H-two .box{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 680px;
    height: 270px;
    align-items: center;
    border: 3px solid #ffffff;
    border-radius: 6px;
    box-shadow: 3px 3px 10px #999;
}
.H-two .box .img{
    width: 50%;
}
.H-two .box .img img{
    width: 85%;
    height: 100%;
    transition: all 0.4s;
}
.H-two .box .img img:hover{
    width: 100%;
}
.H-two .box .txt{
    width: 50%;
    text-align: left;
}
.H-two .box .txt p{
    line-height: 36px;
    font-size: 15px;
    text-shadow: 3px 5px 5px #000;
}


.H-three{
    background-image: url("../img/QWERRT1.jpg");
    background-size: 100% 100%;
    position:relative;


}
.xinxi{
    background-color: white;
    width:40%;
    position: absolute;
    border: black 2px solid;
    height:300px;
    border-radius:10px;
}
.left{
    padding-left:150px;
    float: left;
    width: 40%;
}
.right{
    float: right;
    width: 40%;
}
.qiehuan{
    width:80%;
    position: relative;
}
.left p{
    cursor: pointer;
    margin-top: 15px;
    margin-bottom: 15px;
    width: 100%;
    color: #fff;
    text-align: left !important;
    border-radius: 10px;
    transition: all 0.9s;
}
.left p:hover{
    box-shadow: 3px 5px 20px #000;
}
.left p>span{
    font-size: 14px;
    margin-right: 5px;
    padding-top:5px;
    border: 2px black solid;
    text-align: center;
    display: inline-block;
    width:30px;
    height:30px;
    background-color:#A4CCE1;
    border-radius: 50%;
}
.xinxi{
    line-height: 40px;
}
.xinxi >p{
    text-align: center;
    font-size:16px;
    color: #333;
}
.xinxi-2,.xinxi-3,.xinxi-4,.xinxi-5{
    display: none;
}


.hcs-qaz{
    width: 90%;
}
.hcs-wsx{
    background: url("../img/section3.jpg");
    background-size: 100% 100%;
    color: #ffffff;
    width: 1200px;
}
.hcs-qaz h4{
    font-size:36px;
    margin-top: 20%;
}
.hou-buju{
    display: flex;
}
.hou-elbj{
    width: 100%;
    height: 100vh;
    position: relative;
}
.hou-elbj img{
    width: 70%;
    height: 28%;
    box-shadow: 3px 3px 20px #000;
    position: absolute;
    transition: all 0.4s;
}
.hou-elbj img:first-of-type{
    top: 10%;
    left: 0;
    z-index:2;
}
.hou-elbj img:nth-of-type(2){
    top: 22%;
    left: 12%;
    z-index:1;
}
.hou-elbj img:nth-of-type(3){
    top: 35%;
    left: 24%;
}
.hou-elbj img:hover{
    transform: scale(1.3);
    z-index:4;
}

.hou-elbj h5{
    margin-top: 10%;
    font-size:26px;
    margin-bottom: 5px;
}
.hou-elbj p{
    font-size:20px;
    text-align: left;
    line-height: 40px;
    text-shadow:5px 5px 5px #000;
}


#qwere{
    background: url("../img/dibu.jpg")!important;
    background-size: 100% 100%!important;
}
#qwere h4{
    margin-top: 0%;
    font-size:36px;
}
#qwere .hcs-plm{
    border: 3px solid #ffffff;
    border-radius: 20px;
    box-shadow: 3px 3px 10px #000;
    width: 600px;
    margin-top: 10%;
}
.hou-tgb img{
    padding-top: 20px;
    width: 200px;
    height: 230px;
}
.hou-tgb span{
    font-weight:bold;
}
.bbtn{display: none}









@media (max-width: 668px) {
    nav{
        display: block;
    }
    nav .list{
        flex-wrap: wrap;
        height: 0;
        transition: 0.4s;
        overflow: hidden;
    }
    nav .list li{
        width: 100%;
        text-align: right;
    }
    .bbtn{
        display: block;
        position: absolute;
        right: 20px;
        top: 15px;
        border:none;
        padding: 10px;
    }
    header{
        background-size: cover !important;
    }
    header .demo h1{
        /*margin-top: 20px;*/
        width: 100%;
        font-size:30px;
        margin-top: -60px;
    }
    header .demo p{
        font-size: 16px;
        line-height: 30px;
    }
    .H-two h2{
        margin-top: 15%;
    }
    .H-two .box{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        width: 375px;
        height: 256px;
        align-items: center;
        border: 3px solid #ffffff;
        border-radius: 6px;
        box-shadow: 3px 3px 10px #999;
    }
    .qiehuan {
        width: 100%;
        position: absolute;
        left: 0;
        top: 35%;
    }
    .left p {
        font-size:14px;
        cursor: pointer;
        margin-top: 15px;
        margin-bottom: 15px;
        width: 400px;
        margin-left: -147px;
        color: #fff;
        text-align: left !important;
        border-radius: 10px;
        transition: all 0.9s;
    }
    .xinxi{
        line-height: 27px;
    }
    .da-div h2{
        margin-top: 63%;
    }
    .buju-hou {
        width: 100%;
        flex-wrap: wrap;
    }
    .slbj-hou h3{
        line-height: 162px;
        font-size:24px;
    }
    .slbj-hou {
        width: 43%;
        height: 202px;
        border: 3px solid #999;
        border-radius: 20px;
        padding: 5px;
        display: flex;
        overflow: hidden;
        justify-content: center;
        flex-wrap: wrap;
    }
    .hcs-qaz h4{
        margin-top: 72%;
    }
    .hou-elbj img:first-of-type{
        top: 4%;
        left: -14px;
    }
    .hou-elbj img{
        width: 100%;
        height: 22%;
    }
    .hou-elbj img:nth-of-type(2){
        top: 27%;
        left: -7%
        /*z-index:1;*/
    }
    .hou-elbj img:nth-of-type(3){
        top: 50%;
        left: -7%;
    }
    .hou-elbj h5{
        margin-top: 14%;
        font-size: 18px;
        margin-bottom: 5px;
    }
    .hou-elbj p{
        font-size: 12px;
        text-align: left;
        line-height: 40px;
        text-shadow: 5px 5px 5px #000;
    }
    #qwere .hcs-plm{
        border-radius: 20px;
        box-shadow: 3px 3px 10px #000;
        width: 393px;
        margin-top: 10%;
    }
}












